diff --git a/internal/check-leaf-hints.mjs b/internal/check-leaf-hints.mjs
index 7a49e9656..d00123535 100644
--- a/internal/check-leaf-hints.mjs
+++ b/internal/check-leaf-hints.mjs
@@ -47,7 +47,7 @@ const ENGINE_RE = /useMapInstance|useMapProvider|mapbox-gl|maplibre-gl|window\.(
 // the gate and the generator cannot drift.
 const manifest = JSON.parse(readFileSync(join(TREE, 'manifest.json'), 'utf8'))
 const engineBundles = new Map()
-function bundleLoadsEngine(bundle) {
+function oneBundleLoadsEngine(bundle) {
   if (!engineBundles.has(bundle)) {
     let hit = false
     try { hit = ENGINE_RE.test(readFileSync(join(TREE, bundle, `${bundle}.js`), 'utf8')) } catch { hit = false }
@@ -55,13 +55,27 @@ function bundleLoadsEngine(bundle) {
   }
   return engineBundles.get(bundle)
 }
+// Element tag → owning bundle (mirrors generate-tree): a composes entry may name a child by element tag.
+const elementToBundle = new Map()
+for (const b of manifest.bundles || []) for (const e of (b.elements || [])) elementToBundle.set(e, b.bundle)
+// This bundle OR any bundle it composes loads an engine (mirrors generate-tree's builtBundleLoadsEngine):
+// catches a composite whose engine lives in a lazily-fetched child (research-map-plus-grid → doxa-research-map).
+function bundleLoadsEngine(bundle, composes) {
+  if (oneBundleLoadsEngine(bundle)) return true
+  for (const c of composes || []) {
+    const tag = String(c).split('/').pop()
+    const child = elementToBundle.get(tag) || String(c).split('/')[0]
+    if (child && child !== bundle && oneBundleLoadsEngine(child)) return true
+  }
+  return false
+}
 // Expected hint state per profile, and the leaf dirs it renders to (profile page + any instance pages).
 const expect = new Map()   // "<bundle>/<profile>" -> boolean shouldHint
 for (const b of manifest.bundles || []) {
   for (const p of b.profiles || []) {
     const shell = p.type === 'nested-mfe-spa'
     const composite = p.type === 'nested-elements-mfe'
-    const shouldHint = (!!p.isMap || (composite && bundleLoadsEngine(b.bundle))) && !shell
+    const shouldHint = (!!p.isMap || (composite && bundleLoadsEngine(b.bundle, b.composes))) && !shell
     expect.set(`${b.bundle}/${p.profile}`, shouldHint)
   }
 }
diff --git a/internal/generate-tree.mjs b/internal/generate-tree.mjs
index 8b849290f..c178a03e1 100644
--- a/internal/generate-tree.mjs
+++ b/internal/generate-tree.mjs
@@ -884,14 +884,35 @@ function resourceHints({ isMapLibre, config, apiBaseUrl }) {
   return lines.length ? `  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->\n${lines.join('\n')}\n` : ''
 }
 
-// Does a bundle's BUILT .js reference a map engine? The directly verifiable signal for A9 leaf hints
-// (below), read from public/<tree>/<bundle>/<bundle>.js with the same regex the source classifier uses.
-// This catches a composite whose own bundle mounts a map inline even when its profile is isMap:false;
-// it does not catch one whose engine loads only in a lazily-fetched child bundle (see the hint comment).
-function builtBundleLoadsEngine(bundleName) {
+// Does this BUILT bundle .js reference a map engine? Read from public/<tree>/<bundle>/<bundle>.js with the
+// same regex the source classifier uses — the directly verifiable A9-leaf-hint signal.
+function oneBundleLoadsEngine(bundleName) {
   try { return MAP_ENGINE_RE.test(readFileSync(join(DEFAULT_ROOT, bundleName, `${bundleName}.js`), 'utf8')) }
   catch { return false }
 }
+// Element tag → owning bundle, built once from the scanned bundles so a composes entry that names a
+// child by its ELEMENT tag (stack-demo composes "research-dashboard-map", whose bundle is
+// "research-dashboard") resolves to the right bundle, not a non-existent dir.
+let ELEMENT_TO_BUNDLE = null
+function setElementToBundle(bundles) {
+  ELEMENT_TO_BUNDLE = new Map()
+  for (const b of bundles) for (const e of (b.elements || [])) ELEMENT_TO_BUNDLE.set(e, b.bundle)
+}
+// Does a leaf's PAGE end up loading an engine? True if its own bundle does, OR any bundle it `composes`
+// does — the latter catches a composite whose engine lives in a lazily-fetched child (research-map-plus-grid
+// composes doxa-research-map: its own bundle has 0 engine refs, the child's has 74). A `composes` entry is
+// "<bundle>/<profile>", a bare bundle, or an element TAG — resolved to a bundle via ELEMENT_TO_BUNDLE, then
+// the bundle's first segment. Verifiable from built files, so the gate can mirror it. Excludes a composite
+// that composes only non-maps (big-picture).
+function builtBundleLoadsEngine(bundleName, composes) {
+  if (oneBundleLoadsEngine(bundleName)) return true
+  for (const c of composes || []) {
+    const tag = String(c).split('/').pop()
+    const child = (ELEMENT_TO_BUNDLE && ELEMENT_TO_BUNDLE.get(tag)) || String(c).split('/')[0]
+    if (child && child !== bundleName && oneBundleLoadsEngine(child)) return true
+  }
+  return false
+}
 
 function mapPageHtml(opts) {
   const { title, tag, config, jsSrc, apiBaseUrl, tokenUrlExpr, bakedToken, integrity, shellTokenFree, isMap, scrollPage, isComposite, bundleLoadsEngine } = opts
@@ -938,20 +959,17 @@ function mapPageHtml(opts) {
   // integrity and crossorigin from library/constants/cdn.js so it cannot drift from the runtime tag.
   // WHO GETS HINTS: any page whose OWN bundle loads a map engine — the directly verifiable signal
   // (`bundleLoadsEngine`, an engine reference in the built .js), NOT the leaf's `isMap` flag. rega's A9
-  // net run found regions-mfe (isMap:false, but 33 engine refs in its bundle) opening cdn.jsdelivr.net +
+  // net run found regions-mfe (isMap:false, 56 engine refs in its bundle) AND research-map-plus-grid
+  // (isMap:false, own bundle 0 refs but composes doxa-research-map, 74 refs) opening cdn.jsdelivr.net +
   // tiles.openfreemap.org from the top page and getting no hints — my first cut keyed on isMap and missed
-  // it, the same trap check:leaf-engine-per-provider's isMap gate fell into. Keying on the built bundle
-  // hints regions-mfe and excludes the genuinely map-less composites (big-picture, stack-demo: 0 engine
-  // refs), with no false positives. A cap-5 nested-mfe-spa shell (shellTokenFree) is excluded even if it
-  // somehow references an engine: its nested maps render in their OWN iframe leaves, which carry hints.
-  // KNOWN GAP: a composite whose engine loads only inside a LAZILY-fetched child bundle (research-map-plus-grid
-  // composes doxa-research-map; its own bundle has 0 engine refs) is not hinted — the top page's own bytes
-  // don't name the engine. Recorded in the A9 report; the deeper fix is the upstream isMap classifier,
-  // which mislabels these composites isMap:false (composes-by-tag where the child .vue filename differs).
-  // A plain non-map leaf (a list/card) can SHARE a bundle with a map leaf (connectivity-list rides the
-  // cities-internet bundle, which loads an engine for connectivity-map) — so the bundle signal alone
-  // over-hints it. The engine only mounts in-page for a real map leaf (drawsMap) or a cap-4 composite
-  // (isComposite) that stacks a map child; a non-map, non-composite leaf never opens the engine itself.
+  // both, the same trap check:leaf-engine-per-provider's isMap gate fell into. bundleLoadsEngine is true
+  // when the leaf's own bundle OR any bundle it composes loads an engine, so both composites are covered;
+  // a composite that composes only non-maps (big-picture) stays out. A cap-5 nested-mfe-spa shell
+  // (shellTokenFree) is excluded even if it references an engine: its maps render in their OWN iframe
+  // leaves, which carry hints. A plain non-map leaf (a list/card) can SHARE a bundle with a map leaf
+  // (connectivity-list rides the cities-internet bundle) — so the `isComposite &&` guard keeps the bundle
+  // signal from over-hinting it: the engine only mounts in-page for a real map leaf (drawsMap) or a cap-4
+  // composite (isComposite) that stacks a map child; a non-map, non-composite leaf never opens it.
   const drawsMapInPage = (drawsMap || (isComposite && bundleLoadsEngine)) && !shellTokenFree
   const hintBlock = drawsMapInPage ? resourceHints({ isMapLibre, config, apiBaseUrl }) : ''
   const peerBlock = shellOnly
@@ -1261,7 +1279,7 @@ function profileHtml(b, profile, tokenUrlExpr, bakedToken) {
     // non-map leaf renders token-free with no map peer; only a real map runs the token ladder.
     isMap: profile.isMap,
     // Whether this bundle's OWN built .js loads a map engine — the A9-leaf-hint signal (mapPageHtml).
-    bundleLoadsEngine: builtBundleLoadsEngine(b.bundle),
+    bundleLoadsEngine: builtBundleLoadsEngine(b.bundle, b.composes),
     // A cap-4 composite (nested-elements-mfe) is a StackLayout SCROLL-STACK: its leaf must let the
     // DOCUMENT own the scroll (height:auto, no position:fixed) so the page grows and a reader scrolls
     // PAST one section to the next. A fixed-viewport leaf traps a 100vh dashboard and nothing scrolls
@@ -1297,7 +1315,7 @@ function instanceHtml(b, profile, inst, tokenUrlExpr, bakedToken) {
     // non-map (token-free, no peer); a preset of a real map still runs the token ladder.
     isMap: profile.isMap,
     // Same bundle as the profile page, so the same engine signal (A9-leaf-hint, mapPageHtml).
-    bundleLoadsEngine: builtBundleLoadsEngine(b.bundle),
+    bundleLoadsEngine: builtBundleLoadsEngine(b.bundle, b.composes),
     // A preset of a cap-4 composite scroll-stack is still a scroll page (see profileHtml).
     scrollPage: profile.type === 'nested-elements-mfe',
   })
@@ -1613,6 +1631,7 @@ function readDestinations() {
 }
 
 function writeManifestAndHtml(root, bundles, tokenUrlExpr, bakedToken) {
+  setElementToBundle(bundles)   // for builtBundleLoadsEngine's tag→bundle resolution (A9 leaf hints)
   // ── DERIVE THE COMPOSITION TIER FROM THE EDGES, BEFORE ANYTHING READS THE MANIFEST ──────────
   // Every consumer downstream — the gallery's capFor, the studio rail, check:composite-embed-knobs —
   // trusts profile.type. Deriving here means a composite can no longer ship understated because its
diff --git a/public/dx-maps/all-people-groups/all-people-groups/index.html b/public/dx-maps/all-people-groups/all-people-groups/index.html
index 13c80e6f8..35f43d65c 100644
--- a/public/dx-maps/all-people-groups/all-people-groups/index.html
+++ b/public/dx-maps/all-people-groups/all-people-groups/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>all-people-groups · all-people-groups</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/cities-internet/connectivity-map/index.html b/public/dx-maps/cities-internet/connectivity-map/index.html
index 6afe275a7..cb0cfb0c4 100644
--- a/public/dx-maps/cities-internet/connectivity-map/index.html
+++ b/public/dx-maps/cities-internet/connectivity-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>connectivity-map · cities-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/country-map/country-map/index.html b/public/dx-maps/country-map/country-map/index.html
index 240411590..680696953 100644
--- a/public/dx-maps/country-map/country-map/index.html
+++ b/public/dx-maps/country-map/country-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>country-map · country-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/country-posters/countries-map/index.html b/public/dx-maps/country-posters/countries-map/index.html
index 3aba54c13..6ffe5924b 100644
--- a/public/dx-maps/country-posters/countries-map/index.html
+++ b/public/dx-maps/country-posters/countries-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>countries-map · country-posters</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/country-posters/country-posters-mfe/index.html b/public/dx-maps/country-posters/country-posters-mfe/index.html
index 35302bde3..06f061fed 100644
--- a/public/dx-maps/country-posters/country-posters-mfe/index.html
+++ b/public/dx-maps/country-posters/country-posters-mfe/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>country-posters-mfe · country-posters</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/default/index.html b/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/default/index.html
index 7496e4a27..594c9016e 100644
--- a/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/default/index.html
+++ b/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/default/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>default · dashboard-plus-grid</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/index.html b/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/index.html
index 62c5f9ca0..1fde76485 100644
--- a/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/index.html
+++ b/public/dx-maps/dashboard-plus-grid/dashboard-plus-grid/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>dashboard-plus-grid · dashboard-plus-grid</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/demo-map/demo-map/index.html b/public/dx-maps/demo-map/demo-map/index.html
index 7222b7779..a477fb3a8 100644
--- a/public/dx-maps/demo-map/demo-map/index.html
+++ b/public/dx-maps/demo-map/demo-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>demo-map · demo-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/demo-map/demo-map/maplibre/index.html b/public/dx-maps/demo-map/demo-map/maplibre/index.html
index 96656dc2b..b970e0b95 100644
--- a/public/dx-maps/demo-map/demo-map/maplibre/index.html
+++ b/public/dx-maps/demo-map/demo-map/maplibre/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Demo map — MapLibre (token-free) · demo-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/doxa-research-map/research-map/index.html b/public/dx-maps/doxa-research-map/research-map/index.html
index 5dc98edcb..a427b9c8b 100644
--- a/public/dx-maps/doxa-research-map/research-map/index.html
+++ b/public/dx-maps/doxa-research-map/research-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>research-map · doxa-research-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/doxa-research-map/research-map/maplibre/index.html b/public/dx-maps/doxa-research-map/research-map/maplibre/index.html
index 14d189a40..125eade2a 100644
--- a/public/dx-maps/doxa-research-map/research-map/maplibre/index.html
+++ b/public/dx-maps/doxa-research-map/research-map/maplibre/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Research map — MapLibre (token-free, no search bar) · doxa-research-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/doxa-simple-map/doxa-simple-map/adoption/index.html b/public/dx-maps/doxa-simple-map/doxa-simple-map/adoption/index.html
index 394daab73..47ab232b8 100644
--- a/public/dx-maps/doxa-simple-map/doxa-simple-map/adoption/index.html
+++ b/public/dx-maps/doxa-simple-map/doxa-simple-map/adoption/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Adoption Map · doxa-simple-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/doxa-simple-map/doxa-simple-map/engagement/index.html b/public/dx-maps/doxa-simple-map/doxa-simple-map/engagement/index.html
index bfe189ff5..1d0e19b8f 100644
--- a/public/dx-maps/doxa-simple-map/doxa-simple-map/engagement/index.html
+++ b/public/dx-maps/doxa-simple-map/doxa-simple-map/engagement/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Engagement Map · doxa-simple-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/doxa-simple-map/doxa-simple-map/index.html b/public/dx-maps/doxa-simple-map/doxa-simple-map/index.html
index 98214c59a..f2b7a9fc8 100644
--- a/public/dx-maps/doxa-simple-map/doxa-simple-map/index.html
+++ b/public/dx-maps/doxa-simple-map/doxa-simple-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>doxa-simple-map · doxa-simple-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/doxa-simple-map/doxa-simple-map/prayer/index.html b/public/dx-maps/doxa-simple-map/doxa-simple-map/prayer/index.html
index e3f9e7a72..7ef03e009 100644
--- a/public/dx-maps/doxa-simple-map/doxa-simple-map/prayer/index.html
+++ b/public/dx-maps/doxa-simple-map/doxa-simple-map/prayer/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Prayer Map · doxa-simple-map</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/board/index.html b/public/dx-maps/gospel-internet/board/board/index.html
index 499f25c87..8a22680ed 100644
--- a/public/dx-maps/gospel-internet/board/board/index.html
+++ b/public/dx-maps/gospel-internet/board/board/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Gospel x Internet — the board · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/index.html b/public/dx-maps/gospel-internet/board/index.html
index 3384e49a4..e980b8d6e 100644
--- a/public/dx-maps/gospel-internet/board/index.html
+++ b/public/dx-maps/gospel-internet/board/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>board · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/india-china/index.html b/public/dx-maps/gospel-internet/board/india-china/index.html
index f8c55c49a..17a9bb141 100644
--- a/public/dx-maps/gospel-internet/board/india-china/index.html
+++ b/public/dx-maps/gospel-internet/board/india-china/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>India and China by state and province · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/language-tree/index.html b/public/dx-maps/gospel-internet/board/language-tree/index.html
index 991b96ca8..a649be0ae 100644
--- a/public/dx-maps/gospel-internet/board/language-tree/index.html
+++ b/public/dx-maps/gospel-internet/board/language-tree/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Language tree — which languages have the gospel, family by family · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/platforms/index.html b/public/dx-maps/gospel-internet/board/platforms/index.html
index ee69e9813..ac08b86c3 100644
--- a/public/dx-maps/gospel-internet/board/platforms/index.html
+++ b/public/dx-maps/gospel-internet/board/platforms/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Platforms — which apps would carry a resource there · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/project-700/index.html b/public/dx-maps/gospel-internet/board/project-700/index.html
index d0fc1391f..31ef937cf 100644
--- a/public/dx-maps/gospel-internet/board/project-700/index.html
+++ b/public/dx-maps/gospel-internet/board/project-700/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Project 700 — the list as a partner embed · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-internet/board/zero/index.html b/public/dx-maps/gospel-internet/board/zero/index.html
index c6961c6c5..a30f2694b 100644
--- a/public/dx-maps/gospel-internet/board/zero/index.html
+++ b/public/dx-maps/gospel-internet/board/zero/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Nothing in their own language — the front door · gospel-internet</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-resources/gospel-dashboard/index.html b/public/dx-maps/gospel-resources/gospel-dashboard/index.html
index 2cb8ad13b..f1f7c9303 100644
--- a/public/dx-maps/gospel-resources/gospel-dashboard/index.html
+++ b/public/dx-maps/gospel-resources/gospel-dashboard/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>gospel-dashboard · gospel-resources</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/gospel-resources/resources-map/index.html b/public/dx-maps/gospel-resources/resources-map/index.html
index 3bac78293..14c9c63f2 100644
--- a/public/dx-maps/gospel-resources/resources-map/index.html
+++ b/public/dx-maps/gospel-resources/resources-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>resources-map · gospel-resources</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/my-upg-100-list/upg-100-list/index.html b/public/dx-maps/my-upg-100-list/upg-100-list/index.html
index 1c6f99cf3..16e9d5afe 100644
--- a/public/dx-maps/my-upg-100-list/upg-100-list/index.html
+++ b/public/dx-maps/my-upg-100-list/upg-100-list/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>upg-100-list · my-upg-100-list</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/my-upg-100-list/upg-100-mfe/index.html b/public/dx-maps/my-upg-100-list/upg-100-mfe/index.html
index 6fe972807..a38b6d0e6 100644
--- a/public/dx-maps/my-upg-100-list/upg-100-mfe/index.html
+++ b/public/dx-maps/my-upg-100-list/upg-100-mfe/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>upg-100-mfe · my-upg-100-list</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/pplr-data-maps/pplr-data-maps/index.html b/public/dx-maps/pplr-data-maps/pplr-data-maps/index.html
index fb715c62b..4dc6408e4 100644
--- a/public/dx-maps/pplr-data-maps/pplr-data-maps/index.html
+++ b/public/dx-maps/pplr-data-maps/pplr-data-maps/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>pplr-data-maps · pplr-data-maps</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/prayer-walk-planner/prayer-walk-planner/index.html b/public/dx-maps/prayer-walk-planner/prayer-walk-planner/index.html
index eb130ca63..1fcf456e6 100644
--- a/public/dx-maps/prayer-walk-planner/prayer-walk-planner/index.html
+++ b/public/dx-maps/prayer-walk-planner/prayer-walk-planner/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>prayer-walk-planner · prayer-walk-planner</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/regions-dashboard/region-dashboards/index.html b/public/dx-maps/regions-dashboard/region-dashboards/index.html
index b76a0807b..0e90d022a 100644
--- a/public/dx-maps/regions-dashboard/region-dashboards/index.html
+++ b/public/dx-maps/regions-dashboard/region-dashboards/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>region-dashboards · regions-dashboard</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/regions-dashboard/regions-mfe/index.html b/public/dx-maps/regions-dashboard/regions-mfe/index.html
index f485971bf..5b73230a1 100644
--- a/public/dx-maps/regions-dashboard/regions-mfe/index.html
+++ b/public/dx-maps/regions-dashboard/regions-mfe/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>regions-mfe · regions-dashboard</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/research-dashboard/research-dashboard/index.html b/public/dx-maps/research-dashboard/research-dashboard/index.html
index f1f5eb57d..d2c0bba03 100644
--- a/public/dx-maps/research-dashboard/research-dashboard/index.html
+++ b/public/dx-maps/research-dashboard/research-dashboard/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>research-dashboard · research-dashboard</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/research-map-plus-grid/research-map-plus-grid/default/index.html b/public/dx-maps/research-map-plus-grid/research-map-plus-grid/default/index.html
index c41d953c9..a071a14cc 100644
--- a/public/dx-maps/research-map-plus-grid/research-map-plus-grid/default/index.html
+++ b/public/dx-maps/research-map-plus-grid/research-map-plus-grid/default/index.html
@@ -11,6 +11,11 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>default · research-map-plus-grid</title>
   <link rel="icon" href="data:,">
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
+  <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
+  <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
+  <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
+  <link rel="preload" as="script" href="https://cdn.jsdelivr.net/npm/maplibre-gl@5.24.0/dist/maplibre-gl.js" integrity="sha384-5+cfbwT0iiub6VsQAdn6yz16nr6sDiQoHx6tm4O8OVYXHYOxcffFmCJBL0dgdvGp" crossorigin="anonymous" />
   <!-- NON-MAP leaf (app-shell / composite / grid / card / chart-table): NO map peer.
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diff --git a/public/dx-maps/research-map-plus-grid/research-map-plus-grid/index.html b/public/dx-maps/research-map-plus-grid/research-map-plus-grid/index.html
index 5d0b4195b..f0a049b38 100644
--- a/public/dx-maps/research-map-plus-grid/research-map-plus-grid/index.html
+++ b/public/dx-maps/research-map-plus-grid/research-map-plus-grid/index.html
@@ -11,6 +11,11 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>research-map-plus-grid · research-map-plus-grid</title>
   <link rel="icon" href="data:,">
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
+  <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
+  <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
+  <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
+  <link rel="preload" as="script" href="https://cdn.jsdelivr.net/npm/maplibre-gl@5.24.0/dist/maplibre-gl.js" integrity="sha384-5+cfbwT0iiub6VsQAdn6yz16nr6sDiQoHx6tm4O8OVYXHYOxcffFmCJBL0dgdvGp" crossorigin="anonymous" />
   <!-- NON-MAP leaf (app-shell / composite / grid / card / chart-table): NO map peer.
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diff --git a/public/dx-maps/stack-demo/stack-demo/index.html b/public/dx-maps/stack-demo/stack-demo/index.html
index 7f054a492..a0add969b 100644
--- a/public/dx-maps/stack-demo/stack-demo/index.html
+++ b/public/dx-maps/stack-demo/stack-demo/index.html
@@ -11,6 +11,11 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>stack-demo · stack-demo</title>
   <link rel="icon" href="data:,">
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
+  <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
+  <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
+  <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
+  <link rel="preload" as="script" href="https://cdn.jsdelivr.net/npm/maplibre-gl@5.24.0/dist/maplibre-gl.js" integrity="sha384-5+cfbwT0iiub6VsQAdn6yz16nr6sDiQoHx6tm4O8OVYXHYOxcffFmCJBL0dgdvGp" crossorigin="anonymous" />
   <!-- NON-MAP leaf (app-shell / composite / grid / card / chart-table): NO map peer.
        This element draws no map tiles, so it needs no Mapbox/MapLibre engine and MUST NOT
        gate on a token. Any nested MAP (in a composite/shell) renders in its own iframe leaf,
diff --git a/public/dx-maps/stack-demo/stack-demo/pair/index.html b/public/dx-maps/stack-demo/stack-demo/pair/index.html
index 3920e6b0d..c29205dff 100644
--- a/public/dx-maps/stack-demo/stack-demo/pair/index.html
+++ b/public/dx-maps/stack-demo/stack-demo/pair/index.html
@@ -11,6 +11,11 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>pair · stack-demo</title>
   <link rel="icon" href="data:,">
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
+  <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
+  <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
+  <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
+  <link rel="preload" as="script" href="https://cdn.jsdelivr.net/npm/maplibre-gl@5.24.0/dist/maplibre-gl.js" integrity="sha384-5+cfbwT0iiub6VsQAdn6yz16nr6sDiQoHx6tm4O8OVYXHYOxcffFmCJBL0dgdvGp" crossorigin="anonymous" />
   <!-- NON-MAP leaf (app-shell / composite / grid / card / chart-table): NO map peer.
        This element draws no map tiles, so it needs no Mapbox/MapLibre engine and MUST NOT
        gate on a token. Any nested MAP (in a composite/shell) renders in its own iframe leaf,
diff --git a/public/dx-maps/upg-neighbor/upg-neighbor/bloom-cockpit/index.html b/public/dx-maps/upg-neighbor/upg-neighbor/bloom-cockpit/index.html
index 7790184eb..69f9d1b5c 100644
--- a/public/dx-maps/upg-neighbor/upg-neighbor/bloom-cockpit/index.html
+++ b/public/dx-maps/upg-neighbor/upg-neighbor/bloom-cockpit/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Mobilize near neighbors · upg-neighbor</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/upg-neighbor/upg-neighbor/flower-mesh/index.html b/public/dx-maps/upg-neighbor/upg-neighbor/flower-mesh/index.html
index 7790184eb..69f9d1b5c 100644
--- a/public/dx-maps/upg-neighbor/upg-neighbor/flower-mesh/index.html
+++ b/public/dx-maps/upg-neighbor/upg-neighbor/flower-mesh/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Mobilize near neighbors · upg-neighbor</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/upg-neighbor/upg-neighbor/index.html b/public/dx-maps/upg-neighbor/upg-neighbor/index.html
index 526b6c3b0..f4837d15e 100644
--- a/public/dx-maps/upg-neighbor/upg-neighbor/index.html
+++ b/public/dx-maps/upg-neighbor/upg-neighbor/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>upg-neighbor · upg-neighbor</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/upg-neighbor/upg-neighbor/lang-cluster/index.html b/public/dx-maps/upg-neighbor/upg-neighbor/lang-cluster/index.html
index 09565250e..2e75e4794 100644
--- a/public/dx-maps/upg-neighbor/upg-neighbor/lang-cluster/index.html
+++ b/public/dx-maps/upg-neighbor/upg-neighbor/lang-cluster/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Bridge-language campaigns · upg-neighbor</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/upg-neighbor/upg-neighbor/send-map/index.html b/public/dx-maps/upg-neighbor/upg-neighbor/send-map/index.html
index 7790184eb..69f9d1b5c 100644
--- a/public/dx-maps/upg-neighbor/upg-neighbor/send-map/index.html
+++ b/public/dx-maps/upg-neighbor/upg-neighbor/send-map/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>Mobilize near neighbors · upg-neighbor</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />
diff --git a/public/dx-maps/upg-neighbor/upg-neighbor/upg-neighbors/index.html b/public/dx-maps/upg-neighbor/upg-neighbor/upg-neighbors/index.html
index f7757b80f..1e1bd781d 100644
--- a/public/dx-maps/upg-neighbor/upg-neighbor/upg-neighbors/index.html
+++ b/public/dx-maps/upg-neighbor/upg-neighbor/upg-neighbors/index.html
@@ -11,7 +11,7 @@
   <script>window.MAP_OWNS_PAGE = true;</script>
   <title>UPG Neighbors: mobilize · upg-neighbor</title>
   <link rel="icon" href="data:,">
-  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine derived from the token ladder). -->
+  <!-- A9 hints: the map's origins, so DNS/TLS + the engine start with the bundle, not after it (dx-base/a9-leaf-hints; engine = provider or the MapLibre default). -->
   <link rel="preconnect" href="https://cdn.jsdelivr.net" crossorigin />
   <link rel="preconnect" href="https://tiles.openfreemap.org" crossorigin />
   <link rel="preconnect" href="https://pray.doxa.life" crossorigin />